The cost of gas with British Gas is astronomical and their website / app is ridiculous. For such a 'big name' energy supplier, you'd think that their customer facing tech would be of the highest standard, but it's not even functional! Since they've updated to a new system, it constantly throws errors when I try to login, yet on their website, they claim to have carried out a series of thorough tests to ensure it's appropriate for their customers. If you call this final product riddled with system errors thoroughly tested, then you've completely wasted your IT budget for the last 3 years and should reconsider you QA team.